Safety type insulating ladder for power operation and maintenance

Abstract

The utility model relates to the technical field of insulating ladders, in particular to a safe insulating ladder for electric power operation maintenance, which comprises a top plate, ladder frames are rotatably connected to two sides of the bottom of the top plate, a plurality of steps are fixedly connected to the inner walls of the ladder frames, and pull rods are rotatably connected to the middles of two side surfaces of one of the two ladder frames. Sliding grooves are formed in the middles of the two side faces of the other ladder frame, and a plurality of clamping teeth are fixedly connected to one sides of the inner walls of the sliding grooves. Compared with the prior art, the insulating ladder has the advantages that one end of the pull rod can be fixed by adopting the plurality of clamping teeth to clamp the clamping head, so that the two ladder frames are tensioned, the fixation of the whole insulating ladder is realized, and the opening angle of the two ladder frames can be effectively adjusted by clamping the clamping head between different clamping teeth, so that the insulating ladder is suitable for different use scenes; the flashlight is connected through the flexible pipe, and the flexible pipe can be flexibly bent, so that the illumination angle of the flashlight is adjusted, and the illumination requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating ladders, in particular to a safe insulating ladder for electric power operation and maintenance. Background Art

[0002] Insulated ladders can be divided into insulated straight ladders, insulated stools, two-layer high and low stools, herringbone ladders, insulated joint ladders, single ladders, mobile insulated lifting platforms, bamboo telescopic ladders, insulated herringbone ladders, lifting and lowering ladders, insulated ladders, etc. Insulated straight ladders can be used for various high-altitude operations required for power operation and maintenance, and the insulated ladders are made of high-temperature polymerization pultrusion technology. The material is made of epoxy resin combined with pin rod technology. The surface of aluminum alloy parts is anodized, and the surface of shaft steel parts has a protective coating; the surface of insulating laminated material parts is treated with insulating paint. The anti-slip design of the ladder support and ladder feet is not easy to fatigue. The appearance of each ladder component has no sharp edges and corners, with a high degree of safety, strong insulation performance, low water absorption, and corrosion resistance.

[0003] In Chinese utility model CN218206543U, a safety insulating ladder for power operation and maintenance is disclosed. The safety insulating ladder for power operation and maintenance is inserted into the left and right insulating ladder bodies by setting a limit mechanism to form a straight ladder. Then the limit mechanism is reset, and the left and right insulating ladder bodies rotate along the first rotating shaft, and the left and right insulating ladder bodies are connected by a positioning mechanism, so that the insulating ladder body has two forms of a straight ladder and a herringbone ladder, which can meet the use of various power operation and maintenance environments and is more practical. At the same time, under the herringbone structure, it is not easy to close and the placement is more stable. However, the safety insulating ladder for power operation and maintenance still has the following problems in use:

[0004] The safety insulating ladder for power operation and maintenance is connected and tightened by a pull rod and a card column, so that the opening angle of the ladder is limited by the length of the pull rod, resulting in a fixed opening angle, which is inconvenient. Moreover, the lighting lamp of the safety insulating ladder for power operation and maintenance is directly fixed to the rectangular box, and the lighting position is not easy to adjust, which is inconvenient. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a safe insulating ladder for power operation and maintenance, so as to solve the problems mentioned in the background technology and overcome the shortcomings in the prior art.

[0007] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a safe insulating ladder for power operation and maintenance, including a top plate, ladder frames are rotatably connected to both sides of the bottom of the top plate, a plurality of steps are fixedly connected to the inner wall of the ladder frame, a pull rod is rotatably connected to the middle of both side surfaces of one of the two ladder frames, a sliding groove is opened in the middle of both side surfaces of the other ladder frame, a plurality of engaging teeth are fixedly connected to one side of the inner wall of the sliding groove, a clamping joint is fixedly connected to the center of one end of the pull rod, the clamping joint is clamped with the plurality of engaging teeth, a battery is fixedly connected to the middle of the bottom surface of the top plate, a flexible tube is fixedly connected to the center of one end of the battery, a flashlight is fixedly connected to the end of the flexible tube away from the battery, the battery is electrically connected to the power input end of the flashlight through a wire, and the wire connecting the battery and the flashlight is built into the flexible tube.

[0008] Preferably, any of the above schemes has support plates rotatably connected to the bottoms of the two ladder frames, anti-skid insulating pads are fixedly connected to the bottom surfaces of the two support plates, and insulating patterns are formed on the surfaces of the anti-skid insulating pads.

[0009] The technical effect achieved by adopting the above solution is that the friction force can be increased by the anti-slip insulating pad while improving the insulation effect.

[0010] Preferably, any of the above schemes is that a support stool is fixedly connected to the middle of one side of the top surface of the top plate, and a tool box is fixedly connected to one end of the top plate.

[0011] The technical effect achieved by adopting the above solution is that it is convenient to put tools into the tool box for maintenance.

[0012] Preferably, any of the above schemes has a diameter of the clamping joint that is smaller than the length of a plurality of clamping teeth and the distance between the plurality of clamping teeth, and a distance between one end of a plurality of clamping teeth and a side surface of the inner wall of the sliding groove that is larger than the diameter of the clamping joint.

[0013] The technical effect achieved by adopting the above solution is that the card joint can pass between the card joint teeth and one side of the inner wall of the sliding groove, so that the card joint can slide between a plurality of card joint teeth.

[0014] Preferably, any of the above schemes is that the ladder frame, the steps and the outer wall of the top plate are all coated with an oil insulating coating, and the two ladder frames are symmetrically arranged with the center line of the top plate as the center.

[0015] The technical effect achieved by adopting the above scheme is that the symmetrical arrangement enables the ladder frame to be stably supported to the ground, and insulation can be achieved through the oil insulation coating.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] 1. The safety insulating ladder for power operation and maintenance can fix one end of the pull rod by adopting a plurality of snap-fit ​​teeth to snap-fit ​​the snap-fit ​​joint, thereby tightening the two ladder frames to fix the entire insulating ladder, and the opening angle of the two ladder frames can be effectively adjusted by snapping the snap-fit ​​joint between different snap-fit ​​teeth, thereby adapting to different usage scenarios and improving practicality.

[0018] 2. The safety insulating ladder for power operation and maintenance is connected to the flashlight through a flexible tube, and the angle of the flexible tube can be flexibly bent to adjust the irradiation angle of the flashlight to meet the lighting needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0022] In the figure: 1-top plate, 2-ladder frame, 3-step, 4-support plate, 5-pull rod, 6-sliding groove, 7-clip gear, 8-flexible tube, 9-flashlight, 10-support stool, 11-tool box, 12-battery, 13-clip joint. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Embodiment 1: Figures 1 to 3 As shown, a safety insulating ladder for power operation and maintenance includes a top plate 1, ladder frames 2 are rotatably connected to both sides of the bottom of the top plate 1, a plurality of steps 3 are fixedly connected to the inner wall of the ladder frame 2, a pull rod 5 is rotatably connected to the middle of both side surfaces of one of the two ladder frames 2, a sliding groove 6 is opened in the middle of both side surfaces of the other ladder frame 2, a plurality of engaging teeth 7 are fixedly connected to one side of the inner wall of the sliding groove 6, a clamping joint 13 is fixedly connected to the center of one end of the pull rod 5, the clamping joint 13 is clamped with the plurality of engaging teeth 7, a battery 12 is fixedly connected to the middle of the bottom surface of the top plate 1, a flexible tube 8 is fixedly connected to the center of one end of the battery 12, a flashlight 9 is fixedly connected to the end of the flexible tube 8 away from the battery 12, the battery 12 is electrically connected to the power input end of the flashlight 9 through a wire, and the wire connecting the battery 12 and the flashlight 9 is built inside the flexible tube 8.

[0025] As an optional technical solution of the utility model, the bottoms of the two ladder frames 2 are rotatably connected to support plates 4, and the bottom surfaces of the two support plates 4 are fixedly connected to anti-slip insulating pads, and the surfaces of the anti-slip insulating pads are provided with insulating patterns. The support plates 4 can increase the friction with the ground and improve stability. The anti-slip insulating pads can increase the friction and the insulation effect at the same time.

[0026] As an optional technical solution of the present invention, a support stool 10 is fixedly connected to the middle part of one side of the top surface of the top plate 1, and a tool box 11 is fixedly connected to one end of the top plate 1. The support stool 10 is convenient for sitting and maintenance, and the tool box 11 is convenient for putting tools in for maintenance.

[0027] As an optional technical solution of the present invention, the diameter of the clamping joint 13 is smaller than the length of the plurality of clamping teeth 7 and the distance between the plurality of clamping teeth 7, and the distance between one end of the plurality of clamping teeth 7 and one side of the inner wall of the sliding groove 6 is larger than the diameter of the clamping joint 13, so that the clamping joint 13 can pass between the clamping teeth 7 and one side of the inner wall of the sliding groove 6, so that the clamping joint 13 can slide between the plurality of clamping teeth 7.

[0028] As an optional technical solution of the utility model, the ladder frame 2, a plurality of steps 3 and the outer wall of the top plate 1 are coated with an oil insulating coating. The two ladder frames 2 are symmetrically arranged with the center line of the top plate 1 as the center. The symmetrical arrangement allows the ladder frames 2 to be stably supported to the ground, and insulation can be achieved through the oil insulating coating.

[0029] A safe insulating ladder for power operation and maintenance, the working principle is as follows:

[0030] 1) By using a plurality of snap-fit ​​teeth 7 to snap-fit ​​the snap-fit ​​joint 13, one end of the pull rod 5 can be fixed, thereby tightening the two ladder frames 2 to achieve the fixation of the entire insulating ladder, and the two ladder frames 2 are opened and supported to the ground;

[0031] 2) The flashlight 9 is connected via the flexible tube 8, and the angle of the flexible tube 8 can be flexibly bent, thereby adjusting the irradiation angle of the flashlight 9 so that the flashlight 9 can illuminate the maintenance position.

[0032] To summarize, the safety insulating ladder for power operation and maintenance can fix one end of the pull rod 5 by adopting a plurality of snap-fit ​​teeth 7 to snap-fit ​​the snap-fit ​​joint 13, thereby tightening the two ladder frames 2 to fix the entire insulating ladder, and the opening angle of the two ladder frames 2 can be effectively adjusted by snapping the snap-fit ​​joint 13 between different snap-fit ​​teeth 7, thereby adapting to different usage scenarios and improving practicality. The flashlight 9 is connected through the flexible tube 8, and the angle of the flexible tube 8 can be flexibly bent to adjust the illumination angle of the flashlight 9 to meet the lighting needs.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety insulating ladder for power operation and maintenance, characterized in that: The utility model comprises a top plate (1), both sides of the bottom of the top plate (1) are rotatably connected to ladder frames (2), the inner wall of the ladder frame (2) is fixedly connected to a plurality of steps (3), the middle part of the two side surfaces of one of the two ladder frames (2) is rotatably connected to a pull rod (5), the middle part of the two side surfaces of the other ladder frame (2) is provided with a sliding groove (6), one side of the inner wall of the sliding groove (6) is fixedly connected to a plurality of engaging teeth (7), the center of one end of the pull rod (5) is fixedly connected to a clamping joint (13), and the middle part of the two side surfaces of the other ladder frame (2) is provided with a sliding groove (6), the inner wall of the sliding groove (6) is fixedly connected to a plurality of engaging teeth (7), the center of one end of the pull rod (5) is fixedly connected to a clamping joint (13), and the The clamping joint (13) is clamped with a plurality of clamping teeth (7); a storage battery (12) is fixedly connected to the middle of the bottom surface of the top plate (1); a flexible tube (8) is fixedly connected to the center of one end of the storage battery (12); a flashlight (9) is fixedly connected to the end of the flexible tube (8) away from the storage battery (12); the storage battery (12) is electrically connected to the power input end of the flashlight (9) through a wire; and the wire connecting the storage battery (12) and the flashlight (9) is built into the flexible tube (8).

2. A safety insulating ladder for power operation and maintenance according to claim 1, characterized in that: The bottoms of the two ladder frames (2) are rotatably connected to support plates (4), and the bottom surfaces of the two support plates (4) are fixedly connected to anti-skid insulating pads, and the surfaces of the anti-skid insulating pads are provided with insulating patterns.

3. A safety insulating ladder for power operation and maintenance according to claim 2, characterized in that: A support stool (10) is fixedly connected to the middle portion of one side of the top surface of the top plate (1), and a tool box (11) is fixedly connected to one end of the top plate (1).

4. A safety insulating ladder for power operation and maintenance according to claim 3, characterized in that: The diameter of the clamping joint (13) is smaller than the length of the plurality of clamping teeth (7) and the distance between the plurality of clamping teeth (7), and the distance between one end of the plurality of clamping teeth (7) and a side surface of the inner wall of the sliding groove (6) is larger than the diameter of the clamping joint (13).

5. A safety insulating ladder for power operation and maintenance according to claim 4, characterized in that: The ladder frame (2), the plurality of steps (3) and the outer wall of the top plate (1) are all coated with an oil insulating coating, and the two ladder frames (2) are symmetrically arranged with the center line of the top plate (1) as the center.

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